This is a note to let you know that I've just added the patch titled
drm/radeon: fix user ptr race condition
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-fix-user-ptr-race-condition.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 12f1384da650bdb835fff63e66fe815ea882fc0e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
Date: Tue, 14 Jul 2015 15:58:30 +0200
Subject: drm/radeon: fix user ptr race condition
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From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
commit 12f1384da650bdb835fff63e66fe815ea882fc0e upstream.
Port of amdgpu patch 9298e52f8b51d1e4acd68f502832f3a97f8cf892.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_gem.c | 1 +
drivers/gpu/drm/radeon/radeon_object.c | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -36,6 +36,7 @@ void radeon_gem_object_free(struct drm_g
if (robj) {
if (robj->gem_base.import_attach)
drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
+ radeon_mn_unregister(robj);
radeon_bo_unref(&robj);
}
}
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -75,7 +75,6 @@ static void radeon_ttm_bo_destroy(struct
bo = container_of(tbo, struct radeon_bo, tbo);
radeon_update_memory_usage(bo, bo->tbo.mem.mem_type, -1);
- radeon_mn_unregister(bo);
mutex_lock(&bo->rdev->gem.mutex);
list_del_init(&bo->list);
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-4.1/drm-radeon-handle-irqs-only-based-on-irq-ring-not-irq-status-regs.patch
queue-4.1/drm-radeon-fix-hdp-flushing.patch
queue-4.1/drm-radeon-fix-user-ptr-race-condition.patch
queue-4.1/drm-radeon-compute-ring-fix-hibernation-ci-gpu-family-v2.patch
queue-4.1/drm-radeon-clean-up-reference-counting-and-pinning-of-the-cursor-bos.patch
queue-4.1/drm-radeon-unpin-cursor-bos-on-suspend-and-pin-them-again-on-resume-v2.patch
queue-4.1/drm-radeon-sdma-fix-hibernation-ci-gpu-family.patch
queue-4.1/drm-radeon-don-t-flush-the-gart-tlb-if-rdev-gart.ptr-null.patch
--
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